/** An object with string keys and arbitrary values, used for recursive meta flattening. */
export type StringIndexable = Record<string, any>;
/**
 * Recursively flattens a nested meta object into a flat dictionary with colon-delimited keys.
 * @param obj - The nested object to flatten.
 * @param parentKey - The accumulated key prefix from parent levels.
 * @returns A flat record mapping colon-delimited property names to string values.
 */
export declare const getMetaAsDict: (obj: StringIndexable, parentKey?: string) => Record<string, string>;
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